- Only preload the post cover and latest-post image instead of every image
- Drop in-post image quality from 100 to 90 and add responsive sizes
- Downscale 2940px screenshots to 1800px; convert linkboard-old to WebP
(3.1 MB -> 60 KB)
- Make CodeWrapper a server component; only CopyButton ships to the client
- Pin the Mermaid CDN script to an exact version for reproducible builds
- Slugify tag/category static params so pre-rendered pages match links;
disable dynamic params and return a real 404 via notFound()
- Drop bogus generateStaticParams from the tags/categories index pages
- Add a styled not-found page
- Sort 'Recently updated' by last modification before slicing
- Atom feed: correct rel=self URL, use updated dates, valid content type
- Swap no-js -> js class in an inline head script before first paint
- Markdown links: only route internal paths through next/link and
tolerate missing hrefs
